v27.5.1

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Features

• [jest-config] Support comments in JSON config file (#​12316)
• [pretty-format] Expose ConvertAnsi plugin (#​12308)

Fixes

• [expect] Add type definitions for asymmetric closeTo matcher (#​12304)
• [jest-cli] Load binary via exported API (#​12315)
• [jest-config] Replace jsonlint with parse-json (#​12316)
• [jest-repl] Make module importable (#​12311 & #​12315)

Chore & Maintenance

• [*] Avoid anonymous default exports (#​12313)

v27.5.0

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Features

• [expect] Add asymmetric matcher expect.closeTo (#​12243)
• [jest-mock] Added mockFn.mock.lastCall to retrieve last argument (#​12285)

Fixes

• [expect] Add a fix for .toHaveProperty('') (#​12251)
• [jest-each, @​jest/globals] Allow passing ReadonlyArray type of a table to describe.each and test.each (#​12297)
• [@jest/globals] Add missing options argument to jest.doMock typing (#​12292)
• [jest-environment-node] Add atob and btoa (#​12269)
• [jest-matcher-utils] Correct diff for expected asymmetric matchers (#​12264)
• [jest-message-util] Fix .getTopFrame() (and toMatchInlineSnapshot()) with mjs files (#​12277)

Chore & Maintenance

• [*] Update graceful-fs to ^4.2.9 (#​11749)

Performance

• [jest-resolve] perf: skip error creation on not found stat calls (#​11749)

v27.4.7

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Fixes

• jest-config Add missing @babel/core dependency (#​12216)

v27.4.6

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Fixes

• [jest-environment-node] Add AbortSignal (#​12157)
• [jest-environment-node] Add Missing node global performance (#​12002)
• [jest-runtime] Handle missing mocked property (#​12213)
• [@jest/transform] Update dependency package pirates to 4.0.4 (#​12002)

Performance

• jest-config perf: only register ts-node once when loading TS config files (#​12160)

v27.4.5

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Fixes

• [jest-worker] Stop explicitly passing process.env (#​12141)

v27.4.4

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Fixes

• [babel-jest] Add process.version chunk to the cache key (#​12122)
• [jest-environment] Add mocked to jest object (#​12133)
• [jest-worker] Stop explicitly passing execArgv (#​12128)

Chore & Maintenance

• [website] Fix the card front that looks overlapping part of the card back

v27.4.3

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Fixes

• [jest-environment-jsdom] Remove @types/jsdom dependency (and make its dom property private) (#​12107)

v27.4.2

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Fixes

• [jest-worker] Add additional execArgv to filter (#​12103)

v27.4.1

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Fixes

• [jest-worker] Filter execArgv correctly (#​12097)

v27.4.0

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Features

• [expect] Enhancing the toHaveProperty matcher to support array selection (#​12092)
• [jest-core] Add support for testResultsProcessor written in ESM (#​12006)
• [jest-diff, pretty-format] Add compareKeys option for custom sorting of object keys (#​11992)
• [jest-mock] Add ts-jest mock util functions (#​12089)

Fixes

• [expect] Allow again expect.Matchers generic with single value (#​11986)
• [jest-circus, jest-jasmine2] Avoid false concurrent test failures due to unhandled promise rejections (#​11987)
• [jest-config] Add missing slash dependency to package.json (#​12080)
• [jest-core] Incorrect detection of open ZLIB handles (#​12022)
• [jest-diff] Break dependency cycle (#​10818)
• [jest-environment-jsdom] Add @types/jsdom dependency (#​11999)
• [jest-environment-jsdom] Do not reset the global.document too early on teardown (#​11871)
• [jest-transform] Improve error and warning messages (#​11998)
• [jest-worker] Pass execArgv correctly to worker_threads worker (#​12069)

Chore & Maintenance

• [docs] CLI options alphabetized (#​11586)
• [jest-runner] Add info regarding timers to forcedExit message(#​12083)
• [*] Replaced substr method with substring (#​12066)
• [*] Add types entry to all export maps (#​12073)

v27.3.1

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Fixes

• [expect] Make expect extension properties configurable (#​11978)
• [expect] Fix .any() checks on primitive wrapper classes (#​11976)

Chore & Maintenance

• [expect] BigInt global is always defined, don't check for its existence at runtime (#​11979)
• [jest-config, jest-util] Use ci-info instead of is-ci to detect CI environment (#​11973)

v27.3.0

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Features

• [jest-config] Add testEnvironmentOptions.html to apply to jsdom input (#​11950)
• [jest-resolver] Support default export (.) in exports field if main is missing (#​11919)

Fixes

• [expect] Tweak and improve types (#​11949)
• [jest-runtime] Ensure absolute paths can be resolved within test modules (#​11943)
• [jest-runtime] Fix instanceof for ModernFakeTimers and LegacyFakeTimers methods (#​11946)